A Diamond That Speaks In Color
The SPKTRL Light Ring looks like high jewelry at first glance. Look a little longer, and it reveals itself as something different, a screenless wearable that uses light to whisper what matters.
The brand calls it quiet tech, technology that blends into daily life, present when you need it and silent when you do not. Designed by a French team with deep expertise in jewelry and luxury products, it seems like a 21st century evolution of a status symbol.
How it works
Multiple years in the making, this ring is a highly refined tech/jewelry interface.
The ring routes simple, personal signals through the stone itself. A color cue, set by you in the app, tells you who is calling or what kind of message just arrived.
Think soft blue for a partner, magenta for an urgent work update, green for a calendar reminder. No vibrations, no buzzing screen, just a small pulse of color that lets you stay in the moment.
The lab-made diamonds glow subtly to announce notifications elegantly.
The material story
SPKTRL uses a CVD lab-grown diamond as the optical heart of the piece, chosen as much for precision and repeatability as for beauty. The diamond’s clarity becomes a channel for color, a neat inversion of what diamonds usually do with light. The result feels more like a tiny light sculpture than a gadget.
The diamond glows in a range of colors to announce different notification types.
Jewelry first, then technology
This is not a plastic smart ring in disguise. The Light Ring reads as fine jewelry, with hand-finished metalwork and disciplined geometry.
SPKTRL’s lineup includes variants such as Dune, Mirage, and Ombre, each built around a colorless emerald-cut diamond in a white-gold bezel, paired with contrasting metal finishes.
Select models are listed at 2,770 euros, which puts the object firmly in the luxury space.
A philosophy of quiet tech
Founder Katia de Lasteyrie, an LVMH alum, positions SPKTRL around the idea of tech that recedes. The ring filters digital noise rather than multiplies it, a small edit to how we pay attention. It is a simple premise, and it feels overdue.
Timing and availability
Coverage of the launch points to preorders beginning in 2025, with deliveries targeted for 2026, which gives SPKTRL time to refine both software and service. Luxury wearables live or die on that second part.
We have had a decade of wrist computers and notification storms. The Light Ring answers a different question, can a connected object respect attention, and still keep you reachable. It treats information as color and cadence, not as a feed to scroll.
“SPKTRL’s light ring uses color to communicate, with wearers able to personalize the insights they receive through a minimalist app. For instance, the perfectly colorless diamond may light up a soft blue to indicate a message from a loved one, while a vibrant magenta might indicate a critical work update.
Almost all other notifications and calls will be ignored so that users can batch-process them when they decide. Featuring a screenless design, these messages are transmitted through a CVD lab-grown diamond, selected for both its beauty and its symbolism: a material created with precision by human ingenuity, not chance.
Optically and structurally identical to mined ones, these diamonds are increasingly used in deep tech fields such as quantum computing. “
At a glance
Screenless notifications through a lab-grown diamond, color-coded in a minimalist app.
Jewelry-forward design, with variants like Dune, Mirage, Ombre, and fine metalwork.
Founded by an LVMH alum, positioned around a quiet tech philosophy.
Read more on The New York Times. Images © SPKTRL.
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